package com.spring.controller;

import com.cacos.pojo.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.loadbalancer.LoadBalancerClient;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

@RestController
public class UserController {

    @Autowired
    private RestTemplate restTemplate;

    @Autowired
    private LoadBalancerClient loadBalancerClient;

    @RequestMapping("/user/{id}")
    public User getUserBy(@PathVariable Integer id){
        ServiceInstance si = loadBalancerClient.choose("ribbon_provider");
        //指定要调用的服务
        String url = "http://"+si.getHost()+":"+si.getPort()+"/user/"+id;
        return restTemplate.getForObject(url, User.class);
    }
}
